CN201081587Y - Composite heat pipe heat exchanger - Google Patents
Composite heat pipe heat exchanger Download PDFInfo
- Publication number
- CN201081587Y CN201081587Y CNU2007201285225U CN200720128522U CN201081587Y CN 201081587 Y CN201081587 Y CN 201081587Y CN U2007201285225 U CNU2007201285225 U CN U2007201285225U CN 200720128522 U CN200720128522 U CN 200720128522U CN 201081587 Y CN201081587 Y CN 201081587Y
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- pipe
- heat pipe
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- finned tube
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Abstract
The utility model discloses composite heat pipe heat-exchange equipment consisting of a heat pipe heat exchanger and a fin pipe heat exchanger, wherein, the heat pipe heat exchanger is formed by that a right frame, an upper partition, a lower partition and a right shell are enclosed; the fin pipe heat exchanger is formed by that a left frame, a top partition, a bottom partition and a left shell are enclosed, the right end of the fin pipe heat exchanger is communicated with the left end of a lower cavity of the heat pipe heat exchanger, the left end of the fin pipe heat exchanger is connected with a thermal fluid inlet pipe, the right end of the lower cavity of the heat pipe heat exchanger is connected with a thermal fluid outlet pipe; the left end of an upper cavity of the heat pipe heat exchanger is communicated with a flow-guide channel, the right end of the upper cavity of the heat pipe heat exchanger is connected with a cold fluid inlet pipe; a cold fluid outlet pipe is fixedly connected below a cavity of the fin pipe heat exchanger, pipe mouths of upper ends and lower ends of the fin pipes are respectively communicated with the flow-guide channel and the cold fluid outlet pipe. The equipment is integrated with the advantages of the fin pipe and the heat pipe, adopts the two-stage counter-current heat exchange mode, reduces the problems of corrosion due to smoke condensation and ash accumulation, has a compact structure, high heat exchange efficiency, convenient installation, safe operation and long service life.
Description
Technical field
The utility model relates to the Industrial Boiler flue gas waste heat recovery equipment, particularly a kind of combined type heat transmission equipment.
Background technology
Existing Industrial Boiler flue gas waste heat recovery equipment mainly contains shell and tube parallel operation and full heat-pipe heat exchanger.
Tubular heat exchanger is made up of finned-tube bundle, and the advantage of finned tube is can anti-higher temperature, but heat transfer coefficient is low, and steel consumption is many, and floor space is big.Contain acidic materials such as sulphur in the Industrial Boiler flue gas, in the high-temperature region of heat exchanger (smoke inlet section), because its temperature is higher than the dew point of acidic materials, therefore, acidic materials in the flue gas can not corrode the shell of finned tube, but in low-temperature space (exhanst gas outlet section), temperature may be lower than the dew point of acidic materials, acidic materials meeting dewfall is on tube wall, the shell of corrosion finned tube causes the shell perforation to be leaked out, therefore, the operational reliability of fin-tube heat exchanger is poor, and service life is low.
Full heat-pipe heat exchanger is by heat pipe Shu Zucheng, the advantage of heat pipe be the heat transfer coefficient height, in light weight, flow resistance is little, temperature is even, but non-refractory is used for the heat pipe of high-temperature region, and its housing is necessary for heat-resisting multilayer materials, otherwise, the problem that the heat-transfer area overtemperature damages and heat transfer property descends and lost efficacy can appear, the heat pipe structure complexity of this multilayer materials, and cost is very expensive, service life is short, is difficult to apply.
Do not have also at present that a kind of heat transfer efficiency height, operational reliability height, cost are low, the heat transmission equipment of long service life.
The utility model content
The purpose of this utility model provides a kind of combined type heat pipe heat transmission equipment, with the advantages of fin-tube heat exchanger and heat exchange of heat pipe together, compact conformation, the heat exchange efficiency height, with the heat transfer space of simplifying most, in the shortest stroke, realize efficient heat transfer, safe and reliable, SR is little, cost is low, long service life, overcome the bulky and high problem of cost of heat transmission equipment in the past.
For achieving the above object, the utility model is by the following technical solutions:
A kind of combined type heat pipe heat transmission equipment, form by heat exchange of heat pipe and finned tube exchanger, it is characterized in that: the cavity of described heat exchange of heat pipe is surrounded by correct frame, upper spacer, lower clapboard and right shell body, upper spacer, lower clapboard are fixed in the top and bottom of correct frame respectively, be erected to be equipped with a plurality of heat pipes in the cavity of heat exchange of heat pipe, these heat pipes are staggered, middle part at correct frame is connected with median septum, and median septum is separated into upper cavity and lower chamber two parts with the cavity of heat exchange of heat pipe; The cavity of described finned tube exchanger is surrounded by left frame, roof spacer, base spacer and left shell, the height of left frame is half of correct frame height, this roof spacer, base spacer are fixed in the top and the bottom of left frame respectively, be erected to be equipped with a plurality of finned tubes in the cavity of finned tube exchanger, these finned tubes are staggered; The adjacent frame of described left frame and correct frame welds together, the right-hand member of finned tube exchanger cavity is communicated with the left end of heat exchange of heat pipe lower chamber, the left end of finned tube exchanger cavity is connected with the hot fluid inlet tube, and the right-hand member of heat exchange of heat pipe lower chamber is connected with the hot fluid outlet; By the sealing of arc cover plate, the space that this arc cover plate is surrounded forms flow-guiding channel between the left end face of described heat exchange of heat pipe upper cavity and the roof spacer of finned tube exchanger; The left end of described heat exchange of heat pipe upper cavity is communicated with this flow-guiding channel, and the right-hand member of heat exchange of heat pipe upper cavity is connected with the cold fluid inlet tube; The below of described finned tube exchanger cavity is connected with the cold fluid outlet, and the upper end mouth of pipe of described each finned tube is communicated with flow-guiding channel, and the lower end mouth of pipe of described each finned tube is communicated with the cold fluid outlet.
Have helicla flute on the inwall of described each finned tube.
Be embedded with spoiler in the inner chamber of described each finned tube.
Be provided with the deflector of arc in the described flow-guiding channel.
Described hot fluid inlet tube is provided with sound wave dust separator or shock wave soot blower.
The utility model has following positive beneficial effect:
The main feature of this equipment is (smoke inlet section) in the high-temperature region, adopts the helicla flute fin-tube heat exchanger, and low-temperature space (being the exhanst gas outlet section), adopts heat-pipe heat exchanger.Fin-tube heat exchanger is simple in structure, and cost is low; Can anti-higher temperature, the shell of finned tube can be selected carbon steel material for use, and in 450 ℃ of flue gases, but the carbon steel material long-term stable operation when being higher than 450 ℃～850 ℃, is chosen heat-resisting steels.Because there is not the acid corrosion problem in the high-temperature region, the danger that causes boring a hole and leak out owing to acid corrosion can not appear in finned tube.In low-temperature zone, adopt heat exchange of heat pipe, the kind of heat pipe is more, and the tube wall temperature of heat pipe is relevant with the phase transition temperature of its working medium, the heat pipe of different working medium is when work, the temperature difference of its tube wall, when this equipment was implemented, selection Working fluid phase changing temperature was 215 degrees centigrade a heat pipe, because its working medium is in 215 degree evaporations, so tube wall temperature always maintains about 215 degree, this temperature has been higher than acid dew point, thereby avoids acid dew point to guarantee the safety of heat pipe package.Tube wall temperature is 215 degrees centigrade a heat pipe, and its shell still can be made with common iron, and does not need to use multilayer materials, thereby cost is low.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the enlarged drawing of heat exchange of heat pipe among Fig. 1;
Fig. 3 is the enlarged drawing of finned tube exchanger among Fig. 1.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is that figure is cutd open in the amplification of finned tube among Fig. 1.
The specific embodiment
Number in the figure
1 correct frame, 2 upper spacers, 3 lower clapboards
4 heat pipes, 5 median septums, 6 upper cavities, 7 lower chambers
8 cavitys, 9 left frames, 10 roof spacers, 11 base spacers
12 finned tubes, 13 hot fluid inlet tubes, 14 hot fluid outlets
15 arc cover plates, 16 flow-guiding channels, 17 cold fluid inlet tubes
18 cold fluid outlets, 19 deflectors, 20 spoilers
21 fins, 22 sound wave dust separators, 23 working medium
24 flanges, 25 jackscrews
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the utility model is a kind of combined type heat pipe heat transmission equipment, is made up of heat exchange of heat pipe and finned tube exchanger.
The cavity of heat exchange of heat pipe is surrounded by correct frame 1, upper spacer 2, lower clapboard 3 and right shell body, upper spacer 1, lower clapboard 2 are fixed in the top and bottom of correct frame 1 respectively, be erected to be equipped with a plurality of heat pipes 4 in the cavity of heat exchange of heat pipe, these heat pipes 4 are staggered, be connected with median septum 5 at the middle part of correct frame, median septum 5 is separated into upper cavity 6 and lower chamber 7 two parts with the cavity of heat exchange of heat pipe; Right shell body is welded on the correct frame 1.
The cavity 8 of finned tube exchanger is surrounded by left frame 9, roof spacer 10, base spacer 11 and left shell, the height of left frame 9 is half of correct frame 1 height, roof spacer 10, base spacer 11 are fixed in the top and the bottom of left frame 9 respectively, be erected to be equipped with a plurality of finned tubes 12 in the cavity 8 of finned tube exchanger, these finned tubes 12 are staggered as shown in Figure 4, and left shell is welded on the left frame 9.
By 15 sealings of arc cover plate, the space that arc cover plate 15 is surrounded constitutes flow-guiding channel 16 between the left end face of the upper cavity 6 of heat exchange of heat pipe and the roof spacer 10 of finned tube exchanger.
The left end of the upper cavity 6 of heat exchange of heat pipe is communicated with this flow-guiding channel 16, and the right-hand member of the upper cavity 6 of heat exchange of heat pipe is connected with cold fluid inlet tube 17.
The below of finned tube exchanger cavity 8 is connected with cold fluid outlet 18, and the upper end mouth of pipe of each finned tube 12 is communicated with flow-guiding channel 16, and the lower end mouth of pipe of each finned tube 12 is communicated with cold fluid outlet 18.Be provided with the deflector 19 of arc in the flow-guiding channel 16, deflector 19 makes even fluid distribution.
The finned tube 12 of this equipment is the helicla flute finned tube, promptly has helicla flute on the inwall of finned tube, forms turbulent flow when fluid is flow through in pipe, reduces flow resistance, improves heat transfer property.
Please refer to Fig. 5, also can be bumped into the spoiler 20 of distortion in finned tube 12, spoiler 20 axially evenly distributes around tube wall, and radial oriented alternately variation forms turbulent flow when fluid is flow through in pipe, strengthen heat convection.Fin 21 by HFI welding on the outer wall of finned tube 12 is in order to increase heat transfer area, to improve heat transfer property.
Please refer to Fig. 2, the bottom of heat pipe 4 embeds in the locating hole of lower clapboard 3, and the upper end of heat pipe 4 is fixing by jackscrew 25, and the middle part of heat pipe 4 is welded with flange 24, and flange 24 and median septum 5 are connected by screw, assemble or dismounting and change all very convenient.
In this equipment, the cold and hot fluid flow direction is opposite, is countercurrent flow, the heat exchange efficiency height.Hot fluid can be the high-temperature flue gas of boiler, and cold fluid can be an air.
High-temperature flue gas enters the cavity 8 of finned tube exchanger from hot fluid inlet tube 13, and high-temperature flue gas is walked the outside of finned tube 12.Air enters the upper cavity 6 of heat exchange of heat pipe by cold fluid inlet tube 17, in deflector 19 water conservancy diversion enter finned tube 12 pipes, is flowed out by cold fluid outlet 18 after absorbing the heat that high-temperature flue gas discharges; High-temperature flue gas discharges a part of heat in the lower chamber 7 that enters heat exchange of heat pipe behind the finned tube 12 again, working medium 23 in the heat pipe 4 is evaporated as shown in Figure 2, working medium 23 after the evaporation rises, enter in the upper cavity 6 of heat exchange of heat pipe, meet cold air and condense into liquid, in the lower chamber 7 that under the gravity effect, lands back, working medium 23 is in phase transition process, constantly with the heat transferred cold air of high-temperature flue gas, high-temperature flue gas discharges flue gas to behind the heat pipe 4, discharges from hot fluid outlet 14.
Please refer to Fig. 1, sound wave dust separator 22 is installed on the hot fluid inlet pipeline 13, in order to removing attached to the hot fluid dust that adheres on finned tube 12 and heat pipe 4 outer surfaces, thereby guarantees the heat exchange effect of heat exchanger.Sound wave dust separator 22 also can be the shock wave soot blower.Sound wave dust separator and shock wave soot blower are prior art, so this paper is no longer given unnecessary details.
In sum, this equipment complex the advantage of finned tube exchanger and heat exchange of heat pipe, Low-temperature zone adopts the heat pipe of ordinary steel material, the adjustable spy of tube wall temperature who gives full play to heat pipe Point reduces corrosion and dust stratification problem that smoke condensation causes, has adopted finned tube in the high-temperature region, Finned tube is the helicla flute finned tube, or is bumped into the finned tube of distortion spoiler, makes fluid stream in pipe Out-of-date formation turbulent flow reduces flow resistance, improves heat transfer property, the general tubular type of the coefficient of heat transfer Heat exchanger exceeds about 30%.
This equipment adopts secondary countercurrent flow form, with the space of simplifying most, at the shortest stroke And obtain the efficient heat transfer ability in the time, overcome the in the past bulky and cost height of heat transmission equipment Problem, be used for to reclaim the occasions such as Industrial Boiler fume afterheat.
Claims (5)
1. combined type heat pipe heat transmission equipment, form by heat exchange of heat pipe and finned tube exchanger, it is characterized in that: the cavity of described heat exchange of heat pipe is surrounded by correct frame, upper spacer, lower clapboard and right shell body, upper spacer, lower clapboard are fixed in the top and bottom of correct frame respectively, be erected to be equipped with a plurality of heat pipes in the cavity of heat exchange of heat pipe, these heat pipes are staggered, middle part at correct frame is connected with median septum, and median septum is separated into upper cavity and lower chamber two parts with the cavity of heat exchange of heat pipe; The cavity of described finned tube exchanger is surrounded by left frame, roof spacer, base spacer and left shell, the height of left frame is half of correct frame height, this roof spacer, base spacer are fixed in the top and the bottom of left frame respectively, be erected to be equipped with a plurality of finned tubes in the cavity of finned tube exchanger, these finned tubes are staggered; The adjacent frame of described left frame and correct frame welds together, the right-hand member of finned tube exchanger cavity is communicated with the left end of heat exchange of heat pipe lower chamber, the left end of finned tube exchanger cavity is connected with the hot fluid inlet tube, and the right-hand member of heat exchange of heat pipe lower chamber is connected with the hot fluid outlet; By the sealing of arc cover plate, the space that this arc cover plate is surrounded forms flow-guiding channel between the left end face of described heat exchange of heat pipe upper cavity and the roof spacer of finned tube exchanger; The left end of described heat exchange of heat pipe upper cavity is communicated with this flow-guiding channel, and the right-hand member of heat exchange of heat pipe upper cavity is connected with the cold fluid inlet tube; The below of described finned tube exchanger cavity is connected with the cold fluid outlet, and the upper end mouth of pipe of described each finned tube is communicated with flow-guiding channel, and the lower end mouth of pipe of described each finned tube is communicated with the cold fluid outlet.
2. combined type heat pipe heat transmission equipment as claimed in claim 1 is characterized in that: have helicla flute on the inwall of described each finned tube.
3. combined type heat pipe heat transmission equipment as claimed in claim 1 is characterized in that: be embedded with spoiler in the inner chamber of described each finned tube.
4. combined type heat pipe heat transmission equipment as claimed in claim 1 is characterized in that: the deflector that is provided with arc in the described flow-guiding channel.
5. combined type heat pipe heat transmission equipment as claimed in claim 1 is characterized in that: described hot fluid inlet tube is provided with sound wave dust separator or shock wave soot blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201285225U CN201081587Y (en) | 2007-08-16 | 2007-08-16 | Composite heat pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201285225U CN201081587Y (en) | 2007-08-16 | 2007-08-16 | Composite heat pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201081587Y true CN201081587Y (en) | 2008-07-02 |
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ID=39615256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201285225U Expired - Lifetime CN201081587Y (en) | 2007-08-16 | 2007-08-16 | Composite heat pipe heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN201081587Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375311A (en) * | 2012-04-12 | 2013-10-30 | 王金山 | Shell-tube heat exchanger for recovering waste heat of engine |
| CN103673703A (en) * | 2013-12-19 | 2014-03-26 | 宁夏三新热超导技术有限公司 | High-temperature smoke waste heat recovery device |
| CN104344760A (en) * | 2013-07-26 | 2015-02-11 | 马成果 | Multifunctional gas-water heat exchange pipe capable of reducing accumulated dust, reducing vibration and improving heat exchange efficiency |
| CN102131367B (en) * | 2010-01-15 | 2015-04-01 | 奇鋐科技股份有限公司 | Heat exchanger structure |
-
2007
- 2007-08-16 CN CNU2007201285225U patent/CN201081587Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131367B (en) * | 2010-01-15 | 2015-04-01 | 奇鋐科技股份有限公司 | Heat exchanger structure |
| CN103375311A (en) * | 2012-04-12 | 2013-10-30 | 王金山 | Shell-tube heat exchanger for recovering waste heat of engine |
| CN104344760A (en) * | 2013-07-26 | 2015-02-11 | 马成果 | Multifunctional gas-water heat exchange pipe capable of reducing accumulated dust, reducing vibration and improving heat exchange efficiency |
| CN103673703A (en) * | 2013-12-19 | 2014-03-26 | 宁夏三新热超导技术有限公司 | High-temperature smoke waste heat recovery device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080702 |
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| CX01 | Expiry of patent term |